A birthday cake had lit candles around it, with each candle representing a year of the celebrant’s life. The celebrant blows ...

Following the star’s disco-themed 33rd birthday bash, her fiancé, Benny Blanco, shared an Instagram Story of a sweet gift ...

The candles have a short, fast-burning wick, which lasts just long enough to sing "Happy Birthday to You" twice ("Birthday song: 22 seconds. Candle burn time: 55 seconds," the box helpfully notes).